package com.cjf.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cjf.comon.R;
import com.cjf.entity.Category;
import com.cjf.service.CategoryService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody Category category) {
        categoryService.save(category);
        return R.success("新增分类成功！");
    }

    @GetMapping("/page")
    public R<Page> page(int page,int pageSize) {
//        分页构造器
        Page pageInfo = new Page<>(page,pageSize);
//        条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
//        添加排序条件，根据字段sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
//        进行分页查询
        categoryService.page(pageInfo,queryWrapper);
        return R.success(pageInfo);
    }

    @DeleteMapping
    public R<String> delete(Long id) {
//        categoryService.removeById(id);
        categoryService.remove(id);
        return R.success("分类信息删除成功！");
    }

    @PutMapping
    public R<String> update(@RequestBody Category category) {
        categoryService.updateById(category);
        return R.success("分类信息修改成功！");
    }

    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null , Category::getType,category.getType());
        //添加排序条件
        List<Category> list = categoryService.list(queryWrapper);
        //进行查询
        return R.success(list);
    }
}
